Home / 38,335.45-52,903.52-21,339.88

Finding the Fourth Proportional to 38,335.45, 52,903.52 and 21,339.88

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Solution

The fourth proportional to 38,335.45, 52,903.52 and 21,339.88 is: 29,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,335.45 : 52,903.52 = 21,339.88 : x
  2. Step 2: Convert to fraction form
    38,335.45/52,903.52 = 21,339.88/x
  3. Step 3: Cross multiply
    38,335.45x = 52,903.52 × 21,339.88
  4. Step 4: Simplify right side
    38,335.45x = 1,128,954,768.38
  5. Step 5: Solve for x
    x = 1,128,954,768.38/38,335.45
  6. Step 6: Final answer
    x = 29,449.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.